My rendered image is still showing black after applying alpha clip and using an alpha
Remove everything except the image node and the output node. Add a principled BSDF node in between. Connect the color output of your image to the base color input of the principled BSDF shader. Connect the alpha output of your Image to the alpha input of the principled BSDF shader. Connect the principled BSDF output to the surface input of material output node.